Delta VFD-ED Series

Chapter 12 Descriptions of Parameter Settings | VFD-ED
12-00-11
 When Pr.00-09=3, FOC vector control + Encoder (FOCPG) control diagram is as follows:
ASR
LPF
Pr.10-18
Torque Limit
Pr.07-24–Pr.07-27
ASR
Speed
Control
Fcmd
Pr.00-14
-
+
Feed Forward
Control
Pr.11-10
q-axis
Current
Calculator
IGBT
PWM
dq
abc
q-axis ACR
Speed
Feedback
θ
e
ω
r
Pr.01-01–Pr.01-02 Pr.05-01–Pr.05-09
Flux
Weakening
Regulator
Slip Calculator
+
ω
sl
ʃ
+
d-axis ACR
AVR
Pr.00-13
Encoder
Pr.10-00–Pr.10-02
Pr.10-11–Pr.10-16 Pr.11-06–Pr.11-08, Pr.11-19
dq
abc
U
a
U
b
U
c
I
d
*
I
q
*
IM
DC Bus
Voltage
Detection
DC Bus
Voltage
Protection
Accel. / Decel. Time
Pr.01-12
–Pr.01-30
+ +
I
a
I
b
I
c